Thanks for the information but I am also only interested in future products in Singapore. I can not get SGXNK real-time charts( 1-min, 5-min,etc.) on my IB TWS.
Only tick charts available. I am trying to find new tradable products for my time zone ( Aisan-Pacific ), I have not tried STW, but do you mean you can get realtime charts for SGXNK nowadays?

Or kiwi do you mean you can only collect Simax data and display them on a third-party charting software? I want to know why IB does not provide realtime charts for them in their own TWS platform (like HSI contracts)

In aussie, is there some realtime charting software where you can get aisa-pac future markets charting?

I always have symbol sgxnk on my TWS quote window.
Strangely before ( until last week) when I tried to get realtime charts, TWS responded there is no charts for this exchange. But when I rechecked a few minutes ago, sgxnk (ssiz5) chart suddenly appeared. I do not know the reason. But anyway thanks to all the replys above and the nice work of IB. I can now explore additional trading oppurtunities.